Home / 23,142.77-34,686.32-10,645.57

Finding the Fourth Proportional to 23,142.77, 34,686.32 and 10,645.57

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Solution

The fourth proportional to 23,142.77, 34,686.32 and 10,645.57 is: 15,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142.77 : 34,686.32 = 10,645.57 : x
  2. Step 2: Convert to fraction form
    23,142.77/34,686.32 = 10,645.57/x
  3. Step 3: Cross multiply
    23,142.77x = 34,686.32 × 10,645.57
  4. Step 4: Simplify right side
    23,142.77x = 369,255,647.60
  5. Step 5: Solve for x
    x = 369,255,647.60/23,142.77
  6. Step 6: Final answer
    x = 15,955.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.